thanks a lot for your suggestions. XiFoam and Xoodles sound like two valuable resources.

Actually my biggest concern in trying to implement the ECFM in OpenFOAM is not related to the description of the flame front propagation (i.e. the transport equations for the reaction progress and the flame surface density), rather to the infrastructure dedicated to the computation of the species properties.

However it seems like pretty much of the machinery is already there: that's great!